Odysseus

The only objective that you choose here is whether or not Admiral Briggs is injured or killed. All other outcomes depend on your story decisions in Karma, Achilles Veil, and your successful completion of the Strikeforce Missions.

You only need to complete 5 of 10 challenges to unlock weapons, although Giant Accomplishment requires the completion of all challenges (including the Strikeforce Mission challenges). The five "easiest" challenges are highlighted if you only wish to unlock the perks and weapons in campaign mode.

Odysseus Challenges

1

Locate gift in Mason's state room. Mason's room is outside the brig area, the first usable door to your right. You may need to go past a bulkhead to see the door (there's a prompt).

2

Takedown 20 enemies with Combatant Suppression Knuckles. The knuckles are accessed in the brig.

3

Provide sniper overwatch for SEAL team on flight deck. There will be a sniper rifle laying against the wall in the direction you are coming from. The spot is on the long walkway just after trying the console on the bridge. It will come as an objective.

4

Kill 10 enemies with a turret. Take over the turret in the bridge and again in the ship's hold to attempt this challenge.

5

Destroy 3 turrets while they are disabled by EMP. EMP spikes or EMP grenades are required.

6

Kill 8 airborne enemies before they land. You can attempt this challenge immediately after Mason and Salazar split up. The balcony looks over the flight deck which has infinite PMCs gliding in.

7

Direct a CLAW to kill 5 enemies.

8

Get to the extraction in 90 seconds. After Mason deals with Salazar, he goes up to the Obama's flight deck on an aircraft lift. Head right and make for the escape VTOL as quickly as possible.

When Mason wakes up, the weapons you customized in the loadout will be at eye level and on the middle wall of the armory. Head out with Salazar and battle through the corridor (note: Mason's state room is in this corridor. Try each of the doors if you're curious) and reach the stairs to the next deck.

Fight to the bridge to hack the ship systems. The enemies can be dealt with (past the bridge's partition) by hacking into the turret control panel nearby. This only lets you control one of the turrets (the one in the middle of the room) and not the turret at the entrance.

For the turret at the entrance, zap it with an EM Spike or Grenades and blow it the hell up. The hallway leading to the control console can be nuked with explosives (if you have them), or you can imply march in and take over the place. Use the console to open the door to the next zone.

After the bridge, Mason needs to go through the ship's interior to reach the auxiliary control center. The passages are narrow, but some areas are wide open, allowing enemies to take cover when you don't want them do.

Mason needs to go around, then under (to the ship's red generator / turbine thing) then back up to reach his destination. Once you get there, the fruits of your labor (in story choices made) will pay off.

Play as Mason Jr. and see to Briggs (alive or dead). Note that only Harper will be able to deal with Salazar lethally. Mason just needs to get to the aircraft lift and fight past the flight deck to the extraction vehicle.

The fight to the escqape vehicle is mostly one of endurance. On Veteran, the 90 second speed run challenge is likely impossible even with flashbangs and concussion grenades. Work past the wrecks and get to safety. Only then will you clear the mission.

When Mason Junior attempts to reprogram the ship systems (the marker is denoted by a "Use" label) shortly after escaping the brig, there is a tablet of intel to the right of this marker, on the same bridge command console. Take the intel before committing to the mission objective.

After the events in the ship systems room with Salazar, Menendez, and Briggs, Mason and Farid (or Harper) will pursue Menendez through the bowels of the ship. At the first red-lit stairway, pause a moment and notice a detour to a raised area over the wrecked communications room; an American flag is hung in the corner of the stairs leading to it. A tablet of intel is in that small observation area. Note if you see the hangar and Sergeant Salazar, you went too far.

On the carrier's flight deck, there are two unoccupied VTOLs to your right where you come up on the plane elevator. Go between the two parked VTOLs and face forward in the direction their noses are pointed (so you and the VTOLs point the same direction); the VTOL on your right has the intel at its passenger boarding door.